C111123313331323113313331333133313331323132333133313331322231121
>>
C11112331333132311331333133313331333132313233313331333132223112
<<
C111123313331323113313331333133313331323132333133313331322231123
>>
C111123313331323113313331333133313331323132333133313331322231122
>>